The paper presents a new approximative model suitable to discontinuous current and continuons current in the three-phase controlled bridge rectifier DC motor control system.

• 本文以三相全控桥可控硅直流调速系统为对象,提出了一种在电流连续和断续情况下都适合的平均值近似模型,为电流断续自适应控制提供了新的途径。